Vulnerability identifier: #VU71740

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23498

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Grafana
Web applications / Other software

Vendor: Grafana Labs

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to all headers being cached, when datasource query caching is enabled (including when rotating the Grafana session cookie via a Set-Cookie grafana_session header). A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Grafana: 9.0.0 - 9.0.9, 8.5.0 - 8.5.20, 8.4.0 - 8.4.11, 8.3.0 - 8.3.11

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External links
http://github.com/grafana/grafana/security/advisories/GHSA-2j8f-6whh-frc8

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.